Improvement in vises



FRANK HIGEL. Improvement in Vises. No. 114,317 PatentedMay16,187l.

11M; Jnuwl'or I iiciied swa FRANK -HIGEL, or PHILADELPHIA,"PENNSYLVANIA, ASSIGNOR or ONE- HALF rs RIGHT TO JAMES A. WEIR, or SAME PLACE.

Letters Patent No. 114,817, dated may 16, 1871.

IMPROVEMENT IN VlSES.

The Schedule referred to in these Letters Patent and maldng of the and adapt themselves to the shape of the article to be held, whether straighter taper.

Figure l is-a side elevation of a vise embodying my invention.

Figure 2 is the end view of the same. Figure 3*i's the pivot, through which the screw and slide cover pass.

E E are the jaws and body of the vise, which should be substautially'constrncted of iron, to resist the strain when in use;

D D are the pivots, which must be placed-in the center of jaws, andin an upright position, so as toreceive screw and slide cover that works the front or moving jaw. in and out, the back jaw always remaining stationary.

G isthe lower smooth slide, which passes through back jaw, and slides in and out when the screw is worked.

F is the hingefjoint in lower slide, and operates in conjunction with the pivots,itherehy allowing the moving jaw to angle and adapt itself to anytapered arti'cle to he held.

I claim as my invention.

The combination of the jaws E,=jointed slide 0, pivots D, and the screw-bolt for actuating the movable jaws, substantially as described.

FRANK HIGEL.

Witnesses:

James A. WEIR, JAMES WEIR. 

